CN102261975A - Torque testing device for energy and signal synchronous wireless transmission of rotating shaft of transmission device - Google Patents
Torque testing device for energy and signal synchronous wireless transmission of rotating shaft of transmission device Download PDFInfo
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- CN102261975A CN102261975A CN2011101044446A CN201110104444A CN102261975A CN 102261975 A CN102261975 A CN 102261975A CN 2011101044446 A CN2011101044446 A CN 2011101044446A CN 201110104444 A CN201110104444 A CN 201110104444A CN 102261975 A CN102261975 A CN 102261975A
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Abstract
The invention relates to a torque testing device for the energy and signal synchronous wireless transmission of a rotating shaft of a transmission device, which is characterized by comprising a shaft-mounted module, a rotor coil and a conditioning module, wherein the shaft-mounted module is in bridge connection with a resistance strain gage, the rotor coil is connected with the shaft-mounted module, and the conditioning module is connected with a stator coil. For solving the energy and data transmission problems existing in the torque test of a rotating shaft of a vehicle transmission device, the invention provides a torque testing device which is applicable to the narrow-space, high-temperature and high-vibratory-shock environments of the transmission device, and the torque testing device can run for a long time and can carry out real-time monitoring and diagnosis on the torque state.
Description
Technical field
The present invention relates to torsion-testing apparatus, specifically, relate to a kind of wireless torsion-testing apparatus of vehicle transmission gear turning axle.
Background technology
Vehicle transmission gear rotary axis torsion-testing apparatus will be installed in the axle system of high speed rotating, and the gearing installing space is narrow and small, greasy dirt, bigger factors such as centrifugal force, make signal transmission and power transfer become two gordian techniquies that the rotary axis torsion-testing need solve, rotary axis torsion-testing signal transmits and can be divided into contact, contactless two kinds.
Contact realizes with traditional current collector, mercury formula, electric brush type, sliding ring type etc. are arranged, current collector links to each other with turning axle by shaft coupling, and power supply excitation is transferred to the strain ga(u)ge of pasting on the turning axle, and the variable quantity of strain ga(u)ge is transferred to external data conditioning acquisition system.The contact current collector is owing to surface of contact surface oxidation, wearing and tearing, high speed rotating shafting vibration etc. all can make contact resistance change, reduce system reliability, bring big test error, and contact current collector volume is not easy to greatly install, and these have limited the application of contact current collector at the conveyer torsion-testing.
Contactless have infrared transmission, digital radio to transmit, store multiple modes such as test, though can solve the contact surface abrasion problem of contact current collector, but many weak points are arranged also, be not suitable for the requirement of vehicle small space more greatly as infrared mode data transmission volume, the digital radio transmission mode is along with development of electronic technology, the wireless data sending chip has characteristics such as low-power consumption, two-forty, low error rate, small volume, but is not suitable for the working environment of vehicle high temperature (125 ℃).Storage test is the developed recently advanced method of testing of getting up, but this method can not reflect measured signal in real time, and the putting into and take out to work and bring many inconvenience of proving installation.
The power transfer of torsion-testing generally adopts electromagnetic induction or battery mode, and the principle that adopts antenna transmission to receive is also arranged, and the alternating current of electric wave is used after by rectifying and wave-filtering, but its through-put power is lower, has only several milliwatts to milliwatts up to a hundred, and practical application is less.
Summary of the invention
The objective of the invention is to above-mentioned defective at the prior art existence, a kind of wireless torsion-testing apparatus of vehicle transmission gear turning axle is provided, this device is applicable to the torsion-testing apparatus of gearing small space, high temperature, high vibratory impulse environment, can work long hours and can monitor in real time and diagnose, solve vehicle transmission gear rotary axis torsion-testing energy and data transmission problems torque condition.
The torsion-testing apparatus of a kind of gearing turning axle energy provided by the invention and signal Synchronization wireless transmission, its improvements are to comprise: the axle dress module that links to each other with the strain ga(u)ge bridge circuit by the quad line, the rotor winding that links to each other by two linea angulatas and axle dress module and the conditioning module that links to each other with stator coil by pair linea angulatas, by axle dress module, conditioning module, stator coil, rotor winding obtains and the linear frequency signal of moment of torsion, through gathering after, store.
The torsion-testing apparatus of the provided by the invention first preferred gearing turning axle energy and signal Synchronization wireless transmission, described axle dress module comprises amplifier, voltage-frequency converter, modulator and rectifying pressurizer, described amplifier, voltage-frequency converter and modulator are in parallel with rectifying pressurizer by cable series connection back, and described rectifying pressurizer and modulator also are connected with rotor winding by cable.
The torsion-testing apparatus of the provided by the invention second preferred gearing turning axle energy and signal Synchronization wireless transmission, described axle dress module adopt gluing form to be fixed in gearing turning axle surface or the axle blind hole; Described conditioning module is fixed on the drive housing body.
The torsion-testing apparatus of the provided by the invention the 3rd preferred gearing turning axle energy and signal Synchronization wireless transmission, described conditioning module comprises power amplifier, carrier signal generator, detecting circuit, low-pass filter circuit, signal amplifier and square wave signal generator; Described power amplifier is connected with carrier signal generator with stator coil by cable, and described stator coil is between power amplifier and detecting circuit; Described detecting circuit is connected with low-pass filter circuit, signal amplifier and square wave signal generator successively.
The torsion-testing apparatus of the provided by the invention the 4th preferred gearing turning axle energy and signal Synchronization wireless transmission, described stator coil is fixed on the transmission case box connector by bolt hole, described rotor winding is fixed on the shaft coupling piece by bolt hole, moves with rotary axis; Described stator coil and rotor winding are installed in a surface level and spacing less than 1mm.
The torsion-testing apparatus of the provided by the invention the 5th preferred gearing turning axle energy and signal Synchronization wireless transmission, described transmission case box connector and shaft coupling piece adopt insulating material or metal, and described insulating material adopts bakelite, tygon.
The torsion-testing apparatus of the provided by the invention the 6th preferred gearing turning axle energy and signal Synchronization wireless transmission, described stator coil apply copper with rotor winding by pcb board and become, and promptly adopt common printed circuit board to make.
The torsion-testing apparatus of the provided by the invention the 7th preferred gearing turning axle energy and signal Synchronization wireless transmission, the shape of stator coil and rotor winding is circle.
The torsion-testing apparatus of the provided by the invention the 8th preferred gearing turning axle energy and signal Synchronization wireless transmission, stator coil is wrapped in a U sections in the heart, is designed to U molded lines circle.
The torsion-testing apparatus of the provided by the invention the 9th preferred gearing turning axle energy and signal Synchronization wireless transmission, described strain ga(u)ge bridge circuit is the Hui Sitong strain bridge.
Obtain the frequency signal linear by axle dress module, conditioning module, stator coil, four parts of rotor winding, be stored as data file through acquisition system collection, notebook computer with moment of torsion.
Stator coil, rotor winding structural design are installed and must be guaranteed in a surface level and spacing less than 1mm; If web member is a metal, then must keep certain distance with web member.
Axle dress module is adhesively fixed with refractory seals and fixes in gearing turning axle surface or the axle blind hole, is made up of amplifier, voltage-frequency converter, modulator, rectifying pressurizer, and physical dimension designs according to constraint space.
Conditioning module is fixed on the drive housing body, is made up of carrier signal generator, power amplifier, detecting circuit, low-pass filter circuit, signal amplification circuit, square-wave generator.
Stator coil applies copper with rotor winding by pcb board and becomes, and generally all is designed to circle, also stator coil can be wrapped in a U sections and be designed to U molded lines circle in the heart, saves the space.Rotor winding generally all is fixed on the turning axle, and stator coil can be fixed on turning axle or the gearing casing according to space requirement.
Compared with prior art, the wireless torsion-testing apparatus of a kind of vehicle transmission gear turning axle provided by the invention has the following advantages:
1, the present invention has adopted way of electromagnetic induction to realize the contactless transmission of electric signal between rotor winding and stator coil, solves the power transfer problem that exists in the measurement of endless-track vehicle dynamic torque;
2, data transmission adopts the which amplitude modulation mode, realizes the non-contact transmission of data;
3, inductive power supply of the present invention and wireless data transmission are innovated shared one group of coil, and its mechanical dimension is the customization of physical size space requirement according to the kinematic train axle, can satisfy different power train test requests;
4, web member is selected insulating material such as bakelite, tygon for use, guarantees transfer efficiency and reduces the eddy current interference;
5, this device is applicable to the torsion-testing apparatus of gearing small space, high temperature, high vibratory impulse environment, can work long hours and can monitor in real time and diagnose torque condition;
6, vehicle transmission gear rotary axis torsion-testing energy and data transmission problems have been solved.
Description of drawings
Fig. 1 is: the theory diagram of the wireless torsion-testing apparatus torsion-testing apparatus of a kind of vehicle transmission gear turning axle provided by the invention;
Fig. 2 is: the loop construction design diagram of the wireless torsion-testing apparatus torsion-testing apparatus of a kind of vehicle transmission gear turning axle provided by the invention.
Among the figure: 1, Hui Sitong strain bridge; 2, amplifier; 3, voltage-frequency converter; 4, modulator; 5, rotor winding; 6, stator coil; 7, power amplifier; 8, carrier signal generator; 9, rectifying pressurizer; 10, detecting circuit; 11, low-pass filtering; 12, signal amplifier; 13, square wave signal generator.
Embodiment
Below be described further by the principle of work of drawings and Examples the wireless torsion-testing apparatus torsion-testing apparatus of a kind of vehicle transmission gear turning axle provided by the invention.
Embodiment 1
As shown in Figure 1, the present invention adopts the resistance strain effect of metal to carry out torsion-testing, forms Hui Sitong strain bridge 1 at the foil gauge that test point is pasted two group of 350 Ω along axle ± 45 ° direction.The power transfer link is that carrier signal generator 8 produces 2MHz standard square wave, through power amplifier 7 with power amplification, make stator coil 6 obtain bigger emissive power, produce very little but the electromagnetic field that high frequency changes of magnetic field intensity around in the spatial dimension of certain distance, rotor winding 5 is arranged in this electromagnetic field, and the high frequency of stator coil 6 magnetic flux changes the high-frequency induction electromotive force that produces certain amplitude in rotor winding 5.This electromotive force is adjusted into direct current 5V through rectifying pressurizer 9 provides power supply and bridge to press for axle dress module and Hui Sitong strain bridge 1.Data transmission link is that Hui Sitong strain bridge 1 output voltage amplifies through amplifier 2, and enlargement factor changes by the external resistance of amplifier according to testing range, and enlargement factor is that 1-1000 is doubly optional.Amplifier 2 output signal offset design are 1/2 of amplifier power supply voltage, and the amplifier 2 when not having the signal input like this is output as 1/2 of amplifier power supply voltage.Voltage-frequency converter 3 is converted to frequency signal with voltage signal, and its output frequency can be that 0 o'clock voltage-frequency converter frequency is output as 17.5KHz at input signal by external resistance, electric capacity setting.This modulation signal arranges signal on the carrier wave of 2MHz by modulator 4, by rotor winding 5 emissions.
The signal that stator coil 6 receives which amplitude modulation obtains more weak signal by detecting circuit 10, low-pass filtering 11 filtering 2MHz carrier waves, through three grades of signal amplification circuits 12 amplitude of signal is amplified, square wave signal generator 13 is with signal shaping, the reproduction modulation waveform, this waveform enters acquisition system and gathers its frequency signal, in notebook computer storage data.
Be illustrated in figure 2 as the loop construction design of torsion-testing apparatus, wherein rotor winding is fixed on the shaft coupling piece (as the end ring of transforming) by the bolt hole of Φ 2.4, moves with rotary axis.Stator coil is fixed on box connector by the bolt hole of Φ 2.4.Owing to adopt the transmission mode of electromagnetic induction, stator coil and rotor winding installation must guarantee in a surface level and spacing less than 1mm.For guaranteeing transfer efficiency and reducing eddy current and disturb, web member should be selected insulating material such as bakelite, tygon for use as far as possible, if web member is a metal, then must keep certain distance with web member, shown in size among the figure 1, size 2, size 3, size 4, just can make the signal reliable transmission.The bolt hole of size 1 expression stator coil and rotor winding is 22mm apart from minimum, the distance minimum of size 2 expression stator coil internal diameters and box connector is 8mm, the distance minimum of size 3 expression rotor winding external diameters and shaft coupling piece is 8mm, and the distance minimum of size 4 expression disjunctor web members and shaft coupling piece is 8mm.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; after although those skilled in the art reads the application; with reference to the foregoing description the present invention is carried out various modifications or change; but these modifications or change are all within the claimed scope of right application of the present invention is awaited the reply in application.
Claims (10)
1. the torsion-testing apparatus of gearing turning axle energy and signal Synchronization wireless transmission, it is characterized in that comprising: the axle dress module that links to each other with the strain ga(u)ge bridge circuit by the quad line, the rotor winding (5) that links to each other by two linea angulatas and axle dress module and the conditioning module that links to each other with stator coil (6) by pair linea angulatas, obtain the frequency signal linear by axle dress module, conditioning module, stator coil (6), rotor winding (5), storage after gathering with moment of torsion.
2. the torsion-testing apparatus of gearing turning axle energy according to claim 1 and signal Synchronization wireless transmission, it is characterized in that described axle dress module comprises amplifier (2), voltage-frequency converter (3), modulator (4) and rectifying pressurizer (9), described amplifier (2), voltage-frequency converter (3) and modulator (4) are in parallel with rectifying pressurizer (9) by cable series connection back, and described rectifying pressurizer (9) and modulator (4) also are connected with rotor winding (5) by cable.
3. the torsion-testing apparatus of gearing turning axle energy according to claim 1 and signal Synchronization wireless transmission is characterized in that described axle dress module adopts gluing form to be fixed in gearing turning axle surface or the axle blind hole; Described conditioning module is fixed on the drive housing body.
4. according to the torsion-testing apparatus of claim 1 or 3 described gearing turning axle energy and signal Synchronization wireless transmission, it is characterized in that described conditioning module comprises power amplifier (7), carrier signal generator (8), detecting circuit (10), low-pass filter circuit (11), signal amplifier (12) and square wave signal generator (12); Described power amplifier (7) is connected with carrier signal generator (8) with stator coil (6) by cable, and described stator coil (6) is positioned between power amplifier (7) and the detecting circuit (10); Described detecting circuit (10) is connected with low-pass filter circuit (11), signal amplifier (12) and square wave signal generator (12) successively.
5. the torsion-testing apparatus of gearing turning axle energy according to claim 4 and signal Synchronization wireless transmission, it is characterized in that described stator coil (6) is fixed on the transmission case box connector by bolt hole, described rotor winding is fixed on the shaft coupling piece by bolt hole, moves with rotary axis; Described stator coil (6) and rotor winding (5) are installed in a surface level and spacing less than 1mm.
6. the torsion-testing apparatus of gearing turning axle energy according to claim 4 and signal Synchronization wireless transmission, it is characterized in that described transmission case box connector and shaft coupling piece adopt insulating material or metal, described insulating material adopts bakelite, tygon.
7. the torsion-testing apparatus of gearing turning axle energy and signal Synchronization wireless transmission according to claim 1 or 5 is characterized in that described stator coil (6) applies copper with rotor winding (5) by pcb board and becomes, and promptly adopts common printed circuit board to make.
8. the torsion-testing apparatus of gearing turning axle energy according to claim 7 and signal Synchronization wireless transmission is characterized in that the shape of stator coil (6) and rotor winding (5) is circle.
9. the torsion-testing apparatus of gearing turning axle energy according to claim 7 and signal Synchronization wireless transmission is characterized in that stator coil (6) is wrapped in a U sections in the heart, is designed to U molded lines circle.
10. the torsion-testing apparatus of gearing turning axle energy according to claim 1 and signal Synchronization wireless transmission is characterized in that described strain ga(u)ge bridge circuit is Hui Sitong strain bridge (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101044446A CN102261975A (en) | 2011-04-26 | 2011-04-26 | Torque testing device for energy and signal synchronous wireless transmission of rotating shaft of transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101044446A CN102261975A (en) | 2011-04-26 | 2011-04-26 | Torque testing device for energy and signal synchronous wireless transmission of rotating shaft of transmission device |
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| CN102261975A true CN102261975A (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101044446A Pending CN102261975A (en) | 2011-04-26 | 2011-04-26 | Torque testing device for energy and signal synchronous wireless transmission of rotating shaft of transmission device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819792A (en) * | 2015-04-25 | 2015-08-05 | 成都诚邦动力测试仪器有限公司 | High-precision torque sensor |
| CN105716762A (en) * | 2016-03-25 | 2016-06-29 | 哈尔滨飞机工业集团有限责任公司 | Helicopter tail transmission shaft torque testing system |
| CN106846770A (en) * | 2016-12-28 | 2017-06-13 | 中国北方车辆研究所 | Single-link signal wireless transmission device based on way communication |
| CN110675616A (en) * | 2019-08-08 | 2020-01-10 | 上海芬宜实业有限公司 | Method for transmitting signals of rotating part with high precision |
| CN111245431A (en) * | 2020-03-24 | 2020-06-05 | 德威(苏州)新能源有限公司 | Module framework integrating wireless power supply and signal interaction and application |
| CN113049039A (en) * | 2021-03-16 | 2021-06-29 | 北理慧动（常熟）车辆科技有限公司 | Method for testing torque and temperature of clutch |
| CN115165179A (en) * | 2022-06-29 | 2022-10-11 | 广东高标电子科技有限公司 | Torque detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359685Y (en) * | 1999-03-01 | 2000-01-19 | 洪惟义 | Strain inductive coupling transmission type torque sensor |
| US20060207347A1 (en) * | 2004-03-31 | 2006-09-21 | Manfred Kreuzer | Arrangement for measuring the torque of rotating machine parts |
| CN201594026U (en) * | 2009-12-29 | 2010-09-29 | 东莞市精航达电动转向系统有限公司 | Magnetoelectric non-contact torque sensor and electric steering device using same |
| CN101875191A (en) * | 2009-04-30 | 2010-11-03 | C.&E.泛音有限公司 | The method that has the electric tool of contactless torque measuring device and in electric tool, measure torque |
-
2011
- 2011-04-26 CN CN2011101044446A patent/CN102261975A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359685Y (en) * | 1999-03-01 | 2000-01-19 | 洪惟义 | Strain inductive coupling transmission type torque sensor |
| US20060207347A1 (en) * | 2004-03-31 | 2006-09-21 | Manfred Kreuzer | Arrangement for measuring the torque of rotating machine parts |
| CN101875191A (en) * | 2009-04-30 | 2010-11-03 | C.&E.泛音有限公司 | The method that has the electric tool of contactless torque measuring device and in electric tool, measure torque |
| CN201594026U (en) * | 2009-12-29 | 2010-09-29 | 东莞市精航达电动转向系统有限公司 | Magnetoelectric non-contact torque sensor and electric steering device using same |
Non-Patent Citations (2)
| Title |
|---|
| 张桂香等: "非接触法兰式扭矩测量仪开发", 《传感器与微系统》 * |
| 陶庆模等: "车辆旋转轴扭矩测试技术的综述", 《车用发动机》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819792A (en) * | 2015-04-25 | 2015-08-05 | 成都诚邦动力测试仪器有限公司 | High-precision torque sensor |
| CN105716762A (en) * | 2016-03-25 | 2016-06-29 | 哈尔滨飞机工业集团有限责任公司 | Helicopter tail transmission shaft torque testing system |
| CN106846770A (en) * | 2016-12-28 | 2017-06-13 | 中国北方车辆研究所 | Single-link signal wireless transmission device based on way communication |
| CN110675616A (en) * | 2019-08-08 | 2020-01-10 | 上海芬宜实业有限公司 | Method for transmitting signals of rotating part with high precision |
| CN111245431A (en) * | 2020-03-24 | 2020-06-05 | 德威(苏州)新能源有限公司 | Module framework integrating wireless power supply and signal interaction and application |
| CN113049039A (en) * | 2021-03-16 | 2021-06-29 | 北理慧动（常熟）车辆科技有限公司 | Method for testing torque and temperature of clutch |
| CN115165179A (en) * | 2022-06-29 | 2022-10-11 | 广东高标电子科技有限公司 | Torque detection device |
| CN115165179B (en) * | 2022-06-29 | 2023-12-12 | 广东高标智能科技股份有限公司 | Torque detection device |
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Application publication date: 20111130 |